| Troina to Opwijk | 1,043.78 mi (1,679.80 km) |
| Troina to Ostend | 1,089.69 mi (1,753.69 km) |
| Troina to Oud-Heverlee | 1,024.64 mi (1,648.99 km) |
| Troina to Oud-Turnhout | 1,046.05 mi (1,683.45 km) |
| Troina to Oudenaarde | 1,051.37 mi (1,692.02 km) |
| Troina to Oudenburg | 1,085.27 mi (1,746.57 km) |
| Troina to Oupeye | 995.30 mi (1,601.79 km) |
| Troina to Overijse | 1,024.84 mi (1,649.33 km) |
| Troina to Overpelt | 1,030.73 mi (1,658.80 km) |
| Troina to Paal | 1,025.36 mi (1,650.15 km) |
| Troina to Peer | 1,024.89 mi (1,649.41 km) |
| Troina to Pepinster | 983.04 mi (1,582.05 km) |
| Troina to Peruwelz | 1,033.04 mi (1,662.51 km) |
| Troina to Perwez | 1,008.95 mi (1,623.75 km) |
| Troina to Philippeville | 990.73 mi (1,594.43 km) |
