| Martin to Oerlinghausen | 492.58 mi (792.73 km) |
| Martin to Oestrich-Winkel | 493.56 mi (794.30 km) |
| Martin to Offenburg | 501.70 mi (807.41 km) |
| Martin to Oftersheim | 466.64 mi (750.98 km) |
| Martin to Ohrdruf | 383.70 mi (617.50 km) |
| Martin to Ohringen | 425.78 mi (685.22 km) |
| Martin to Olbernhau | 272.30 mi (438.22 km) |
| Martin to Olching | 352.22 mi (566.85 km) |
| Martin to Oldenburg | 542.53 mi (873.13 km) |
| Martin to Oldenburg in Holstein | 498.82 mi (802.77 km) |
| Martin to Olfen | 539.58 mi (868.37 km) |
| Martin to Olpe | 509.64 mi (820.18 km) |
| Martin to Olsberg | 487.34 mi (784.30 km) |
| Martin to Oranienburg | 355.21 mi (571.66 km) |
| Martin to Ortenberg | 449.41 mi (723.25 km) |
