| Desborough to Oerlinghausen | 402.63 mi (647.97 km) |
| Desborough to Oestrich-Winkel | 416.79 mi (670.76 km) |
| Desborough to Offenburg | 472.29 mi (760.07 km) |
| Desborough to Oftersheim | 460.79 mi (741.58 km) |
| Desborough to Ohrdruf | 507.09 mi (816.08 km) |
| Desborough to Ohringen | 502.29 mi (808.36 km) |
| Desborough to Olbernhau | 619.08 mi (996.31 km) |
| Desborough to Olching | 609.12 mi (980.28 km) |
| Desborough to Oldenburg | 380.20 mi (611.87 km) |
| Desborough to Oldenburg in Holstein | 498.52 mi (802.29 km) |
| Desborough to Olfen | 351.59 mi (565.83 km) |
| Desborough to Olpe | 382.78 mi (616.02 km) |
| Desborough to Olsberg | 403.34 mi (649.11 km) |
| Desborough to Oranienburg | 589.29 mi (948.37 km) |
| Desborough to Ortenberg | 448.85 mi (722.36 km) |
