| Kopavogur to Octeville | 1,248.13 mi (2,008.67 km) |
| Kopavogur to Oignies | 1,307.51 mi (2,104.24 km) |
| Kopavogur to Oissel | 1,326.97 mi (2,135.55 km) |
| Kopavogur to Olivet | 1,433.71 mi (2,307.33 km) |
| Kopavogur to Ollioules | 1,811.67 mi (2,915.60 km) |
| Kopavogur to Olonne-sur-Mer | 1,435.59 mi (2,310.36 km) |
| Kopavogur to Oloron-Sainte-Marie | 1,669.82 mi (2,687.32 km) |
| Kopavogur to Onet Village | 1,662.64 mi (2,675.77 km) |
| Kopavogur to Onnaing | 1,327.28 mi (2,136.06 km) |
| Kopavogur to Orange | 1,726.49 mi (2,778.52 km) |
| Kopavogur to Orchies | 1,313.46 mi (2,113.82 km) |
| Kopavogur to Orleans | 1,431.59 mi (2,303.92 km) |
| Kopavogur to Orly | 1,392.91 mi (2,241.67 km) |
| Kopavogur to Ormesson-sur-Marne | 1,393.91 mi (2,243.28 km) |
| Kopavogur to Orsay | 1,390.75 mi (2,238.20 km) |
