| Caltagirone to Opwijk | 1,075.79 mi (1,731.32 km) |
| Caltagirone to Ostend | 1,121.01 mi (1,804.09 km) |
| Caltagirone to Oud-Heverlee | 1,056.90 mi (1,700.92 km) |
| Caltagirone to Oud-Turnhout | 1,078.86 mi (1,736.26 km) |
| Caltagirone to Oudenaarde | 1,082.88 mi (1,742.72 km) |
| Caltagirone to Oudenburg | 1,116.61 mi (1,797.01 km) |
| Caltagirone to Oupeye | 1,028.20 mi (1,654.72 km) |
| Caltagirone to Overijse | 1,056.98 mi (1,701.04 km) |
| Caltagirone to Overpelt | 1,063.78 mi (1,711.98 km) |
| Caltagirone to Paal | 1,058.12 mi (1,702.89 km) |
| Caltagirone to Peer | 1,057.92 mi (1,702.55 km) |
| Caltagirone to Pepinster | 1,015.97 mi (1,635.05 km) |
| Caltagirone to Peruwelz | 1,064.26 mi (1,712.76 km) |
| Caltagirone to Perwez | 1,041.17 mi (1,675.61 km) |
| Caltagirone to Philippeville | 1,022.44 mi (1,645.45 km) |
