| Trofa to Oerlinghausen | 1,093.53 mi (1,759.87 km) |
| Trofa to Oestrich-Winkel | 995.08 mi (1,601.42 km) |
| Trofa to Offenburg | 942.63 mi (1,517.02 km) |
| Trofa to Oftersheim | 996.86 mi (1,604.30 km) |
| Trofa to Ohrdruf | 1,127.99 mi (1,815.32 km) |
| Trofa to Ohringen | 1,028.68 mi (1,655.50 km) |
| Trofa to Olbernhau | 1,225.67 mi (1,972.53 km) |
| Trofa to Olching | 1,079.91 mi (1,737.95 km) |
| Trofa to Oldenburg | 1,127.95 mi (1,815.25 km) |
| Trofa to Oldenburg in Holstein | 1,263.08 mi (2,032.72 km) |
| Trofa to Olfen | 1,039.18 mi (1,672.40 km) |
| Trofa to Olpe | 1,026.61 mi (1,652.17 km) |
| Trofa to Olsberg | 1,062.83 mi (1,710.46 km) |
| Trofa to Oranienburg | 1,285.68 mi (2,069.10 km) |
| Trofa to Ortenberg | 1,047.80 mi (1,686.27 km) |
