| Groves to Noventa Vicentina | 5,452.35 mi (8,774.71 km) |
| Groves to Novi di Modena | 5,440.13 mi (8,755.04 km) |
| Groves to Novi Ligure | 5,355.71 mi (8,619.18 km) |
| Groves to Nuoro | 5,535.90 mi (8,909.18 km) |
| Groves to Occhiobello | 5,467.47 mi (8,799.05 km) |
| Groves to Oderzo | 5,473.57 mi (8,808.87 km) |
| Groves to Oggiono | 5,343.95 mi (8,600.26 km) |
| Groves to Olbia | 5,521.96 mi (8,886.74 km) |
| Groves to Oleggio | 5,320.32 mi (8,562.22 km) |
| Groves to Olgiate Comasco | 5,327.97 mi (8,574.54 km) |
| Groves to Olgiate Olona | 5,329.65 mi (8,577.25 km) |
| Groves to Omegna | 5,301.32 mi (8,531.65 km) |
| Groves to Opera | 5,352.28 mi (8,613.66 km) |
| Groves to Oppeano | 5,437.25 mi (8,750.40 km) |
| Groves to Orbassano | 5,294.09 mi (8,520.02 km) |
