| Assen to Octeville | 423.90 mi (682.20 km) |
| Assen to Oignies | 232.22 mi (373.72 km) |
| Assen to Oissel | 346.43 mi (557.52 km) |
| Assen to Olivet | 409.81 mi (659.52 km) |
| Assen to Ollioules | 682.10 mi (1,097.74 km) |
| Assen to Olonne-sur-Mer | 580.57 mi (934.34 km) |
| Assen to Oloron-Sainte-Marie | 753.16 mi (1,212.10 km) |
| Assen to Onet Village | 623.25 mi (1,003.03 km) |
| Assen to Onnaing | 220.73 mi (355.23 km) |
| Assen to Orange | 617.48 mi (993.74 km) |
| Assen to Orchies | 225.01 mi (362.12 km) |
| Assen to Orleans | 407.27 mi (655.44 km) |
| Assen to Orly | 345.69 mi (556.34 km) |
| Assen to Ormesson-sur-Marne | 339.88 mi (546.99 km) |
| Assen to Orsay | 353.18 mi (568.39 km) |
