| Zionsville to Opwijk | 4,168.53 mi (6,708.61 km) |
| Zionsville to Ostend | 4,111.65 mi (6,617.07 km) |
| Zionsville to Oud-Heverlee | 4,191.45 mi (6,745.48 km) |
| Zionsville to Oud-Turnhout | 4,187.60 mi (6,739.29 km) |
| Zionsville to Oudenaarde | 4,149.88 mi (6,678.59 km) |
| Zionsville to Oudenburg | 4,116.10 mi (6,624.23 km) |
| Zionsville to Oupeye | 4,232.99 mi (6,812.34 km) |
| Zionsville to Overijse | 4,187.98 mi (6,739.90 km) |
| Zionsville to Overpelt | 4,207.36 mi (6,771.08 km) |
| Zionsville to Paal | 4,203.98 mi (6,765.65 km) |
| Zionsville to Peer | 4,211.55 mi (6,777.83 km) |
| Zionsville to Pepinster | 4,244.41 mi (6,830.71 km) |
| Zionsville to Peruwelz | 4,160.02 mi (6,694.91 km) |
| Zionsville to Perwez | 4,204.06 mi (6,765.79 km) |
| Zionsville to Philippeville | 4,207.91 mi (6,771.98 km) |
