| Small Heath to Oerlinghausen | 446.31 mi (718.26 km) |
| Small Heath to Oestrich-Winkel | 458.57 mi (738.01 km) |
| Small Heath to Offenburg | 510.75 mi (821.97 km) |
| Small Heath to Oftersheim | 501.79 mi (807.55 km) |
| Small Heath to Ohrdruf | 550.59 mi (886.09 km) |
| Small Heath to Ohringen | 543.59 mi (874.82 km) |
| Small Heath to Olbernhau | 662.71 mi (1,066.52 km) |
| Small Heath to Olching | 649.99 mi (1,046.06 km) |
| Small Heath to Oldenburg | 422.82 mi (680.46 km) |
| Small Heath to Oldenburg in Holstein | 539.26 mi (867.86 km) |
| Small Heath to Olfen | 395.25 mi (636.10 km) |
| Small Heath to Olpe | 425.99 mi (685.57 km) |
| Small Heath to Olsberg | 446.91 mi (719.23 km) |
| Small Heath to Oranienburg | 632.34 mi (1,017.65 km) |
| Small Heath to Ortenberg | 491.63 mi (791.21 km) |
