| Merville to Oignies | 19.65 mi (31.63 km) |
| Merville to Oissel | 113.25 mi (182.25 km) |
| Merville to Olivet | 194.95 mi (313.74 km) |
| Merville to Ollioules | 540.03 mi (869.09 km) |
| Merville to Olonne-sur-Mer | 348.04 mi (560.12 km) |
| Merville to Oloron-Sainte-Marie | 536.91 mi (864.07 km) |
| Merville to Onet Village | 433.79 mi (698.12 km) |
| Merville to Onnaing | 45.65 mi (73.46 km) |
| Merville to Orange | 460.75 mi (741.51 km) |
| Merville to Orchies | 28.97 mi (46.62 km) |
| Merville to Orleans | 192.26 mi (309.41 km) |
| Merville to Orly | 131.74 mi (212.02 km) |
| Merville to Ormesson-sur-Marne | 128.46 mi (206.74 km) |
| Merville to Orsay | 135.96 mi (218.80 km) |
| Merville to Orthez | 519.68 mi (836.34 km) |
