| Macomer to Oerlinghausen | 808.41 mi (1,301.01 km) |
| Macomer to Oestrich-Winkel | 673.58 mi (1,084.02 km) |
| Macomer to Offenburg | 568.11 mi (914.28 km) |
| Macomer to Oftersheim | 629.09 mi (1,012.43 km) |
| Macomer to Ohrdruf | 735.72 mi (1,184.03 km) |
| Macomer to Ohringen | 618.22 mi (994.94 km) |
| Macomer to Olbernhau | 751.26 mi (1,209.04 km) |
| Macomer to Olching | 562.22 mi (904.80 km) |
| Macomer to Oldenburg | 890.13 mi (1,432.53 km) |
| Macomer to Oldenburg in Holstein | 974.48 mi (1,568.27 km) |
| Macomer to Olfen | 793.93 mi (1,277.70 km) |
| Macomer to Olpe | 744.15 mi (1,197.60 km) |
| Macomer to Olsberg | 765.92 mi (1,232.62 km) |
| Macomer to Oranienburg | 887.98 mi (1,429.07 km) |
| Macomer to Ortenberg | 697.21 mi (1,122.06 km) |
