| Janesville to Opwijk | 4,141.85 mi (6,665.67 km) |
| Janesville to Ostend | 4,085.76 mi (6,575.39 km) |
| Janesville to Oud-Heverlee | 4,164.59 mi (6,702.26 km) |
| Janesville to Oud-Turnhout | 4,158.34 mi (6,692.20 km) |
| Janesville to Oudenaarde | 4,124.53 mi (6,637.78 km) |
| Janesville to Oudenburg | 4,090.26 mi (6,582.64 km) |
| Janesville to Oupeye | 4,205.17 mi (6,767.56 km) |
| Janesville to Overijse | 4,161.51 mi (6,697.31 km) |
| Janesville to Overpelt | 4,177.86 mi (6,723.61 km) |
| Janesville to Paal | 4,175.55 mi (6,719.90 km) |
| Janesville to Peer | 4,182.33 mi (6,730.81 km) |
| Janesville to Pepinster | 4,216.88 mi (6,786.41 km) |
| Janesville to Peruwelz | 4,136.04 mi (6,656.32 km) |
| Janesville to Perwez | 4,177.82 mi (6,723.55 km) |
| Janesville to Philippeville | 4,183.76 mi (6,733.11 km) |
