| Gifhorn to Novi di Modena | 525.02 mi (844.95 km) |
| Gifhorn to Novi Ligure | 540.03 mi (869.09 km) |
| Gifhorn to Nuoro | 842.95 mi (1,356.59 km) |
| Gifhorn to Occhiobello | 524.94 mi (844.81 km) |
| Gifhorn to Oderzo | 471.70 mi (759.12 km) |
| Gifhorn to Oggiono | 466.42 mi (750.63 km) |
| Gifhorn to Olbia | 801.05 mi (1,289.17 km) |
| Gifhorn to Oleggio | 483.73 mi (778.49 km) |
| Gifhorn to Olgiate Comasco | 468.73 mi (754.35 km) |
| Gifhorn to Olgiate Olona | 479.57 mi (771.79 km) |
| Gifhorn to Omegna | 466.79 mi (751.23 km) |
| Gifhorn to Opera | 494.60 mi (795.98 km) |
| Gifhorn to Oppeano | 497.52 mi (800.68 km) |
| Gifhorn to Orbassano | 534.66 mi (860.45 km) |
| Gifhorn to Orbetello | 695.02 mi (1,118.53 km) |
