| Fergus Falls to Opwijk | 4,218.64 mi (6,789.24 km) |
| Fergus Falls to Ostend | 4,164.61 mi (6,702.29 km) |
| Fergus Falls to Oud-Heverlee | 4,240.79 mi (6,824.89 km) |
| Fergus Falls to Oud-Turnhout | 4,230.26 mi (6,807.94 km) |
| Fergus Falls to Oudenaarde | 4,203.91 mi (6,765.54 km) |
| Fergus Falls to Oudenburg | 4,169.16 mi (6,709.62 km) |
| Fergus Falls to Oupeye | 4,279.16 mi (6,886.64 km) |
| Fergus Falls to Overijse | 4,238.47 mi (6,821.16 km) |
| Fergus Falls to Overpelt | 4,249.12 mi (6,838.29 km) |
| Fergus Falls to Paal | 4,248.77 mi (6,837.74 km) |
| Fergus Falls to Peer | 4,254.04 mi (6,846.22 km) |
| Fergus Falls to Pepinster | 4,291.27 mi (6,906.13 km) |
| Fergus Falls to Peruwelz | 4,217.77 mi (6,787.84 km) |
| Fergus Falls to Perwez | 4,254.98 mi (6,847.72 km) |
| Fergus Falls to Philippeville | 4,264.62 mi (6,863.24 km) |
