| Marlton to Oerlinghausen | 3,875.05 mi (6,236.29 km) |
| Marlton to Oestrich-Winkel | 3,903.04 mi (6,281.33 km) |
| Marlton to Offenburg | 3,944.24 mi (6,347.64 km) |
| Marlton to Oftersheim | 3,944.82 mi (6,348.57 km) |
| Marlton to Ohrdruf | 3,988.56 mi (6,418.96 km) |
| Marlton to Ohringen | 3,987.17 mi (6,416.73 km) |
| Marlton to Olbernhau | 4,095.59 mi (6,591.22 km) |
| Marlton to Olching | 4,092.01 mi (6,585.46 km) |
| Marlton to Oldenburg | 3,826.05 mi (6,157.42 km) |
| Marlton to Oldenburg in Holstein | 3,895.81 mi (6,269.70 km) |
| Marlton to Olfen | 3,831.33 mi (6,165.93 km) |
| Marlton to Olpe | 3,868.09 mi (6,225.09 km) |
| Marlton to Olsberg | 3,884.76 mi (6,251.91 km) |
| Marlton to Oranienburg | 4,028.02 mi (6,482.47 km) |
| Marlton to Ortenberg | 3,935.50 mi (6,333.57 km) |
