| Oldsmar to Opwijk | 4,607.46 mi (7,414.99 km) |
| Oldsmar to Ostend | 4,549.81 mi (7,322.21 km) |
| Oldsmar to Oud-Heverlee | 4,630.27 mi (7,451.71 km) |
| Oldsmar to Oud-Turnhout | 4,633.81 mi (7,457.39 km) |
| Oldsmar to Oudenaarde | 4,585.30 mi (7,379.32 km) |
| Oldsmar to Oudenburg | 4,553.96 mi (7,328.88 km) |
| Oldsmar to Oupeye | 4,673.59 mi (7,521.42 km) |
| Oldsmar to Overijse | 4,625.69 mi (7,444.33 km) |
| Oldsmar to Overpelt | 4,653.74 mi (7,489.48 km) |
| Oldsmar to Paal | 4,647.23 mi (7,479.00 km) |
| Oldsmar to Peer | 4,656.98 mi (7,494.68 km) |
| Oldsmar to Pepinster | 4,683.80 mi (7,537.84 km) |
| Oldsmar to Peruwelz | 4,590.96 mi (7,388.44 km) |
| Oldsmar to Perwez | 4,640.67 mi (7,468.44 km) |
| Oldsmar to Philippeville | 4,638.04 mi (7,464.20 km) |
