| Fortuna to Oerlinghausen | 1,063.49 mi (1,711.52 km) |
| Fortuna to Oestrich-Winkel | 932.25 mi (1,500.31 km) |
| Fortuna to Offenburg | 842.76 mi (1,356.30 km) |
| Fortuna to Oftersheim | 910.74 mi (1,465.70 km) |
| Fortuna to Ohrdruf | 1,048.41 mi (1,687.25 km) |
| Fortuna to Ohringen | 926.24 mi (1,490.63 km) |
| Fortuna to Olbernhau | 1,115.44 mi (1,795.12 km) |
| Fortuna to Olching | 931.53 mi (1,499.15 km) |
| Fortuna to Oldenburg | 1,125.78 mi (1,811.77 km) |
| Fortuna to Oldenburg in Holstein | 1,248.98 mi (2,010.04 km) |
| Fortuna to Olfen | 1,022.05 mi (1,644.82 km) |
| Fortuna to Olpe | 988.72 mi (1,591.19 km) |
| Fortuna to Olsberg | 1,022.80 mi (1,646.04 km) |
| Fortuna to Oranienburg | 1,219.16 mi (1,962.05 km) |
| Fortuna to Ortenberg | 978.50 mi (1,574.75 km) |
