| Forssa to Oestrich-Winkel | 961.49 mi (1,547.37 km) |
| Forssa to Offenburg | 1,053.33 mi (1,695.18 km) |
| Forssa to Oftersheim | 984.51 mi (1,584.42 km) |
| Forssa to Ohrdruf | 849.24 mi (1,366.72 km) |
| Forssa to Ohringen | 974.03 mi (1,567.55 km) |
| Forssa to Olbernhau | 805.37 mi (1,296.12 km) |
| Forssa to Olching | 998.13 mi (1,606.33 km) |
| Forssa to Oldenburg | 782.45 mi (1,259.23 km) |
| Forssa to Oldenburg in Holstein | 650.45 mi (1,046.80 km) |
| Forssa to Olfen | 880.67 mi (1,417.30 km) |
| Forssa to Olpe | 907.66 mi (1,460.74 km) |
| Forssa to Olsberg | 872.54 mi (1,404.21 km) |
| Forssa to Oranienburg | 680.11 mi (1,094.53 km) |
| Forssa to Ortenberg | 915.56 mi (1,473.46 km) |
| Forssa to Oschatz | 770.56 mi (1,240.10 km) |
