| Isafjordhur to Opwijk | 1,413.10 mi (2,274.17 km) |
| Isafjordhur to Ostend | 1,368.90 mi (2,203.03 km) |
| Isafjordhur to Oud-Heverlee | 1,432.13 mi (2,304.80 km) |
| Isafjordhur to Oud-Turnhout | 1,411.47 mi (2,271.55 km) |
| Isafjordhur to Oudenaarde | 1,406.52 mi (2,263.57 km) |
| Isafjordhur to Oudenburg | 1,373.23 mi (2,210.00 km) |
| Isafjordhur to Oupeye | 1,462.35 mi (2,353.42 km) |
| Isafjordhur to Overijse | 1,431.95 mi (2,304.50 km) |
| Isafjordhur to Overpelt | 1,427.52 mi (2,297.38 km) |
| Isafjordhur to Paal | 1,432.02 mi (2,304.62 km) |
| Isafjordhur to Peer | 1,433.25 mi (2,306.59 km) |
| Isafjordhur to Pepinster | 1,474.69 mi (2,373.28 km) |
| Isafjordhur to Peruwelz | 1,425.80 mi (2,294.60 km) |
| Isafjordhur to Perwez | 1,447.82 mi (2,330.04 km) |
| Isafjordhur to Philippeville | 1,466.61 mi (2,360.28 km) |
