| Kempston to Oerlinghausen | 389.33 mi (626.56 km) |
| Kempston to Oestrich-Winkel | 396.57 mi (638.21 km) |
| Kempston to Offenburg | 449.00 mi (722.59 km) |
| Kempston to Oftersheim | 439.59 mi (707.45 km) |
| Kempston to Ohrdruf | 490.89 mi (790.02 km) |
| Kempston to Ohringen | 481.43 mi (774.78 km) |
| Kempston to Olbernhau | 603.66 mi (971.49 km) |
| Kempston to Olching | 587.78 mi (945.94 km) |
| Kempston to Oldenburg | 371.93 mi (598.57 km) |
| Kempston to Oldenburg in Holstein | 493.92 mi (794.88 km) |
| Kempston to Olfen | 336.80 mi (542.03 km) |
| Kempston to Olpe | 365.51 mi (588.23 km) |
| Kempston to Olsberg | 387.64 mi (623.85 km) |
| Kempston to Oranienburg | 579.33 mi (932.35 km) |
| Kempston to Ortenberg | 430.36 mi (692.60 km) |
