| Barton upon Humber to Oerlinghausen | 398.34 mi (641.07 km) |
| Barton upon Humber to Oestrich-Winkel | 440.99 mi (709.71 km) |
| Barton upon Humber to Offenburg | 511.57 mi (823.29 km) |
| Barton upon Humber to Oftersheim | 488.90 mi (786.80 km) |
| Barton upon Humber to Ohrdruf | 511.76 mi (823.60 km) |
| Barton upon Humber to Ohringen | 527.98 mi (849.70 km) |
| Barton upon Humber to Olbernhau | 618.89 mi (996.01 km) |
| Barton upon Humber to Olching | 635.84 mi (1,023.29 km) |
| Barton upon Humber to Oldenburg | 358.51 mi (576.97 km) |
| Barton upon Humber to Oldenburg in Holstein | 461.82 mi (743.23 km) |
| Barton upon Humber to Olfen | 354.77 mi (570.95 km) |
| Barton upon Humber to Olpe | 394.84 mi (635.43 km) |
| Barton upon Humber to Olsberg | 408.37 mi (657.22 km) |
| Barton upon Humber to Oranienburg | 568.96 mi (915.65 km) |
| Barton upon Humber to Ortenberg | 464.43 mi (747.43 km) |
