| Forssa to Oignies | 1,067.95 mi (1,718.71 km) |
| Forssa to Oissel | 1,181.97 mi (1,902.20 km) |
| Forssa to Olivet | 1,240.29 mi (1,996.06 km) |
| Forssa to Ollioules | 1,426.34 mi (2,295.47 km) |
| Forssa to Olonne-sur-Mer | 1,416.31 mi (2,279.33 km) |
| Forssa to Oloron-Sainte-Marie | 1,576.47 mi (2,537.08 km) |
| Forssa to Onet Village | 1,425.79 mi (2,294.58 km) |
| Forssa to Onnaing | 1,055.27 mi (1,698.29 km) |
| Forssa to Orange | 1,387.20 mi (2,232.48 km) |
| Forssa to Orchies | 1,060.58 mi (1,706.83 km) |
| Forssa to Orleans | 1,237.90 mi (1,992.21 km) |
| Forssa to Orly | 1,177.94 mi (1,895.71 km) |
| Forssa to Ormesson-sur-Marne | 1,171.64 mi (1,885.57 km) |
| Forssa to Orsay | 1,186.11 mi (1,908.86 km) |
| Forssa to Orthez | 1,563.41 mi (2,516.06 km) |
