| Isafjordhur to Octeville | 1,368.74 mi (2,202.77 km) |
| Isafjordhur to Oignies | 1,415.30 mi (2,277.70 km) |
| Isafjordhur to Oissel | 1,441.89 mi (2,320.51 km) |
| Isafjordhur to Olivet | 1,549.60 mi (2,493.84 km) |
| Isafjordhur to Ollioules | 1,926.54 mi (3,100.47 km) |
| Isafjordhur to Olonne-sur-Mer | 1,561.01 mi (2,512.20 km) |
| Isafjordhur to Oloron-Sainte-Marie | 1,796.68 mi (2,891.47 km) |
| Isafjordhur to Onet Village | 1,782.38 mi (2,868.47 km) |
| Isafjordhur to Onnaing | 1,433.76 mi (2,307.42 km) |
| Isafjordhur to Orange | 1,842.09 mi (2,964.56 km) |
| Isafjordhur to Orchies | 1,420.61 mi (2,286.25 km) |
| Isafjordhur to Orleans | 1,547.40 mi (2,490.29 km) |
| Isafjordhur to Orly | 1,506.02 mi (2,423.71 km) |
| Isafjordhur to Ormesson-sur-Marne | 1,506.60 mi (2,424.63 km) |
| Isafjordhur to Orsay | 1,504.43 mi (2,421.14 km) |
