| Karnobat to Oignies | 1,254.44 mi (2,018.83 km) |
| Karnobat to Oissel | 1,318.62 mi (2,122.12 km) |
| Karnobat to Olivet | 1,266.12 mi (2,037.62 km) |
| Karnobat to Ollioules | 1,067.76 mi (1,718.40 km) |
| Karnobat to Olonne-sur-Mer | 1,432.20 mi (2,304.91 km) |
| Karnobat to Oloron-Sainte-Marie | 1,390.32 mi (2,237.50 km) |
| Karnobat to Onet Village | 1,223.67 mi (1,969.31 km) |
| Karnobat to Onnaing | 1,227.34 mi (1,975.21 km) |
| Karnobat to Orange | 1,114.85 mi (1,794.17 km) |
| Karnobat to Orchies | 1,243.98 mi (2,002.00 km) |
| Karnobat to Orleans | 1,266.07 mi (2,037.54 km) |
| Karnobat to Orly | 1,253.10 mi (2,016.67 km) |
| Karnobat to Ormesson-sur-Marne | 1,247.12 mi (2,007.04 km) |
| Karnobat to Orsay | 1,261.75 mi (2,030.59 km) |
| Karnobat to Orthez | 1,395.82 mi (2,246.35 km) |
