| Tomar to Oerlinghausen | 1,180.71 mi (1,900.18 km) |
| Tomar to Oestrich-Winkel | 1,074.65 mi (1,729.49 km) |
| Tomar to Offenburg | 1,013.78 mi (1,631.52 km) |
| Tomar to Oftersheim | 1,071.87 mi (1,725.00 km) |
| Tomar to Ohrdruf | 1,206.34 mi (1,941.41 km) |
| Tomar to Ohringen | 1,100.91 mi (1,771.74 km) |
| Tomar to Olbernhau | 1,299.11 mi (2,090.71 km) |
| Tomar to Olching | 1,143.15 mi (1,839.72 km) |
| Tomar to Oldenburg | 1,220.38 mi (1,964.02 km) |
| Tomar to Oldenburg in Holstein | 1,354.92 mi (2,180.53 km) |
| Tomar to Olfen | 1,127.90 mi (1,815.18 km) |
| Tomar to Olpe | 1,111.41 mi (1,788.64 km) |
| Tomar to Olsberg | 1,147.78 mi (1,847.17 km) |
| Tomar to Oranienburg | 1,368.39 mi (2,202.21 km) |
| Tomar to Ortenberg | 1,126.99 mi (1,813.71 km) |
