| Sombor to Oerlinghausen | 637.65 mi (1,026.20 km) |
| Sombor to Oestrich-Winkel | 590.86 mi (950.91 km) |
| Sombor to Offenburg | 556.85 mi (896.17 km) |
| Sombor to Oftersheim | 549.26 mi (883.95 km) |
| Sombor to Ohrdruf | 518.99 mi (835.23 km) |
| Sombor to Ohringen | 506.73 mi (815.50 km) |
| Sombor to Olbernhau | 429.51 mi (691.23 km) |
| Sombor to Olching | 403.50 mi (649.37 km) |
| Sombor to Oldenburg | 704.45 mi (1,133.70 km) |
| Sombor to Oldenburg in Holstein | 691.60 mi (1,113.03 km) |
| Sombor to Olfen | 672.29 mi (1,081.95 km) |
| Sombor to Olpe | 630.30 mi (1,014.37 km) |
| Sombor to Olsberg | 618.89 mi (996.01 km) |
| Sombor to Oranienburg | 549.35 mi (884.10 km) |
| Sombor to Ortenberg | 561.03 mi (902.89 km) |
