Laon
Reaching Laon from London emits 10.1 kg CO₂e return by rail (5h 54m each way) against 86.1 kg by air — 9× the carbon. It averages 19.2 °C in August and 4.1 °C in January.
Laon is a city in the Aisne département of Hauts-de-France, in northern France. — Wikivoyage, CC BY-SA 4.0
When to go: Laon is warmest in August (19.2 °C), sunniest in June (12.1 h a day); coldest in January (4.1 °C). Month by month
Getting there
| From | Distance | By rail | Rail time | By air | Air time |
|---|---|---|---|---|---|
| Amsterdam | 325 km | 9.6 kg | 6h 42m | 81.7 kg | 3h 54m |
| Barcelona | 916 km | 27.0 kg | 10h 48m | 230 kg | 4h 42m |
| Berlin | 758 km | 22.4 kg | 10h 54m | 191 kg | 4h 30m |
| Birmingham | 504 km | 23.2 kg | 8h 36m | 127 kg | 4h 12m |
| Bristol | 488 km | 23.9 kg | 8h 54m | 123 kg | 4h 12m |
| Brussels | 152 km | 4.5 kg | 4h 12m | 38.3 kg | 3h 42m |
| Cardiff | 526 km | 27.1 kg | 9h 12m | 132 kg | 4h 12m |
| Copenhagen | 907 km | 26.8 kg | 15h 6m | 228 kg | 4h 42m |
| Dublin | 802 km | — | — | 202 kg | 4h 36m |
| Edinburgh | 845 km | 53.0 kg | 11h 36m | 213 kg | 4h 36m |
| Frankfurt | 368 km | 10.9 kg | 7h 18m | 92.5 kg | 4h |
| Glasgow | 878 km | 54.8 kg | 11h 48m | 221 kg | 4h 42m |
| Leeds | 590 km | 32.0 kg | 9h 30m | 149 kg | 4h 18m |
| Lisbon | 1,574 km | 46.5 kg | 24h 42m | 396 kg | 5h 36m |
| Liverpool | 626 km | 33.1 kg | 9h 30m | 157 kg | 4h 18m |
| London | 342 km | 10.1 kg | 5h 54m | 86.1 kg | 4h |
| Madrid | 1,168 km | 34.5 kg | 14h 24m | 294 kg | 5h 6m |
| Manchester | 595 km | 31.1 kg | 9h 24m | 150 kg | 4h 18m |
| Milan | 618 km | 18.2 kg | 10h 54m | 155 kg | 4h 18m |
| Munich | 602 km | 17.8 kg | 9h 54m | 152 kg | 4h 18m |
| Newcastle | 699 km | 42.1 kg | 10h 6m | 176 kg | 4h 24m |
| Nottingham | 502 km | 24.2 kg | 9h | 126 kg | 4h 12m |
| Oslo | 1,237 km | 36.5 kg | 19h 54m | 311 kg | 5h 6m |
| Prague | 776 km | 22.9 kg | 13h 12m | 195 kg | 4h 30m |
| Rome | 1,095 km | 32.3 kg | 14h 24m | 276 kg | 5h |
| Sheffield | 552 km | 28.4 kg | 9h 18m | 139 kg | 4h 12m |
| Southampton | 388 km | 19.1 kg | 8h 36m | 97.5 kg | 4h |
| Stockholm | 1,426 km | 42.1 kg | 20h 18m | 359 kg | 5h 24m |
| Vienna | 943 km | 27.8 kg | 15h | 237 kg | 4h 48m |
| Warsaw | 1,251 km | 36.9 kg | 18h 24m | 315 kg | 5h 12m |
| Zurich | 437 km | 12.9 kg | 8h 12m | 110 kg | 4h 6m |
The year in Laon
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp °C | 4.1 | 6.6 | 8.1 | 9.7 | 13.9 | 17.9 | 18.8 | 19.2 | 17.1 | 13.3 | 7.8 | 5.8 |
| Sun h/day | 3.7 | 3.9 | 5.9 | 8.5 | 10.4 | 12.1 | 10.8 | 10.3 | 8.9 | 6.3 | 3.6 | 2.4 |
| Rain mm/day | 2.4 | 2.3 | 3.5 | 3.1 | 2.8 | 2.3 | 3.1 | 3.4 | 2.4 | 3.5 | 3.2 | 2.0 |
When to go
Laon is warmest in August at 19.2 °C but brightest in June, averaging 12.1 hours of sun a day — the two do not always coincide, which is worth knowing before booking. Its coldest is January at 4.1 °C.
Three months worth booking
The same year of measurements, decided rather than tabulated. Each opens the map below on dates in that month.
Staying there
A hotel room in France emits about 6.7 kg CO₂e per night under UK Government 2026 factors — a country average per occupied room, not this or any particular hotel. 7 nights in one room adds roughly 47 kg — about 10.4× the carbon of one person getting there by rail from Brussels. Two sharing the room halve that share each; the journey does not halve.
How busy it gets
Aisne records 3.6 overnight stays per resident a year (1,883,573 nights in 2025). Comparatively quiet by European standards.
Eurostat, nights spent at tourist accommodation by NUTS 3 region, against resident population. Shown for context only — it plays no part in which destinations appear or in what order. Eurostat does not cover the United Kingdom after 2016, nor North Africa or the Levant at all, so this figure is absent for roughly a third of the destinations here.
Where to stay in Laon
Places to stay in Laon, France, on a live map. Prices and availability come from Stay22 and its booking partners.
Search places to stay in Laon →Opens the booking search in a new tab. Same partners as the map below.
Affiliate disclosure. A booking made through this map may earn 0xCarbon a commission, at no extra cost to you. It changes nothing above it: the emissions figures come from UK Government conversion factors and are computed before anyone is paid anything.See the method.
Distances are great-circle. Rail assumes international rail at 0.01135 kg CO₂e per passenger-km with a 1.3× track detour allowance; flights use 0.12576 kg per passenger-km including radiative forcing. Journey times are modelled, not timetabled. Full method.