| Carnoustie to Oerlinghausen | 555.00 mi (893.19 km) |
| Carnoustie to Oestrich-Winkel | 629.35 mi (1,012.83 km) |
| Carnoustie to Offenburg | 711.58 mi (1,145.18 km) |
| Carnoustie to Oftersheim | 679.48 mi (1,093.53 km) |
| Carnoustie to Ohrdruf | 673.78 mi (1,084.34 km) |
| Carnoustie to Ohringen | 714.99 mi (1,150.67 km) |
| Carnoustie to Olbernhau | 768.93 mi (1,237.48 km) |
| Carnoustie to Olching | 821.34 mi (1,321.82 km) |
| Carnoustie to Oldenburg | 492.05 mi (791.88 km) |
| Carnoustie to Oldenburg in Holstein | 553.53 mi (890.82 km) |
| Carnoustie to Olfen | 524.86 mi (844.69 km) |
| Carnoustie to Olpe | 572.52 mi (921.39 km) |
| Carnoustie to Olsberg | 576.79 mi (928.26 km) |
| Carnoustie to Oranienburg | 686.36 mi (1,104.59 km) |
| Carnoustie to Ortenberg | 642.57 mi (1,034.11 km) |
