| Kirkby to Oerlinghausen | 494.20 mi (795.34 km) |
| Kirkby to Oestrich-Winkel | 523.55 mi (842.58 km) |
| Kirkby to Offenburg | 583.55 mi (939.14 km) |
| Kirkby to Oftersheim | 569.13 mi (915.92 km) |
| Kirkby to Ohrdruf | 604.76 mi (973.27 km) |
| Kirkby to Ohringen | 609.92 mi (981.58 km) |
| Kirkby to Olbernhau | 714.09 mi (1,149.22 km) |
| Kirkby to Olching | 717.38 mi (1,154.51 km) |
| Kirkby to Oldenburg | 458.50 mi (737.88 km) |
| Kirkby to Oldenburg in Holstein | 562.78 mi (905.71 km) |
| Kirkby to Olfen | 447.57 mi (720.30 km) |
| Kirkby to Olpe | 483.91 mi (778.77 km) |
| Kirkby to Olsberg | 500.75 mi (805.88 km) |
| Kirkby to Oranienburg | 669.19 mi (1,076.96 km) |
| Kirkby to Ortenberg | 552.07 mi (888.47 km) |
