| Gardelegen to Novi di Modena | 527.86 mi (849.51 km) |
| Gardelegen to Novi Ligure | 549.60 mi (884.50 km) |
| Gardelegen to Nuoro | 849.20 mi (1,366.65 km) |
| Gardelegen to Occhiobello | 525.51 mi (845.73 km) |
| Gardelegen to Oderzo | 468.71 mi (754.31 km) |
| Gardelegen to Oggiono | 474.90 mi (764.29 km) |
| Gardelegen to Olbia | 807.07 mi (1,298.85 km) |
| Gardelegen to Oleggio | 494.50 mi (795.83 km) |
| Gardelegen to Olgiate Comasco | 478.55 mi (770.15 km) |
| Gardelegen to Olgiate Olona | 489.54 mi (787.83 km) |
| Gardelegen to Omegna | 478.61 mi (770.25 km) |
| Gardelegen to Opera | 503.25 mi (809.91 km) |
| Gardelegen to Oppeano | 499.39 mi (803.68 km) |
| Gardelegen to Orbassano | 548.19 mi (882.22 km) |
| Gardelegen to Orbetello | 696.99 mi (1,121.70 km) |
