| Kopavogur to Opwijk | 1,309.63 mi (2,107.65 km) |
| Kopavogur to Ostend | 1,262.91 mi (2,032.45 km) |
| Kopavogur to Oud-Heverlee | 1,329.53 mi (2,139.68 km) |
| Kopavogur to Oud-Turnhout | 1,311.06 mi (2,109.95 km) |
| Kopavogur to Oudenaarde | 1,301.25 mi (2,094.16 km) |
| Kopavogur to Oudenburg | 1,267.33 mi (2,039.57 km) |
| Kopavogur to Oupeye | 1,361.89 mi (2,191.75 km) |
| Kopavogur to Overijse | 1,328.87 mi (2,138.61 km) |
| Kopavogur to Overpelt | 1,327.94 mi (2,137.11 km) |
| Kopavogur to Paal | 1,331.29 mi (2,142.51 km) |
| Kopavogur to Peer | 1,333.51 mi (2,146.08 km) |
| Kopavogur to Pepinster | 1,374.28 mi (2,211.69 km) |
| Kopavogur to Peruwelz | 1,319.61 mi (2,123.71 km) |
| Kopavogur to Perwez | 1,345.03 mi (2,164.61 km) |
| Kopavogur to Philippeville | 1,362.03 mi (2,191.98 km) |
