| Grugliasco to Opwijk | 436.59 mi (702.62 km) |
| Grugliasco to Ostend | 476.35 mi (766.61 km) |
| Grugliasco to Oud-Heverlee | 420.42 mi (676.59 km) |
| Grugliasco to Oud-Turnhout | 447.90 mi (720.82 km) |
| Grugliasco to Oudenaarde | 439.69 mi (707.61 km) |
| Grugliasco to Oudenburg | 472.11 mi (759.78 km) |
| Grugliasco to Oupeye | 399.84 mi (643.49 km) |
| Grugliasco to Overijse | 419.19 mi (674.63 km) |
| Grugliasco to Overpelt | 436.31 mi (702.17 km) |
| Grugliasco to Paal | 427.19 mi (687.50 km) |
| Grugliasco to Peer | 430.30 mi (692.49 km) |
| Grugliasco to Pepinster | 388.58 mi (625.35 km) |
| Grugliasco to Peruwelz | 419.50 mi (675.11 km) |
| Grugliasco to Perwez | 404.62 mi (651.18 km) |
| Grugliasco to Philippeville | 381.50 mi (613.96 km) |
