| Harborne to Noventa Vicentina | 786.10 mi (1,265.10 km) |
| Harborne to Novi di Modena | 783.46 mi (1,260.86 km) |
| Harborne to Novi Ligure | 722.13 mi (1,162.16 km) |
| Harborne to Nuoro | 993.96 mi (1,599.63 km) |
| Harborne to Occhiobello | 805.29 mi (1,295.98 km) |
| Harborne to Oderzo | 797.37 mi (1,283.24 km) |
| Harborne to Oggiono | 686.98 mi (1,105.58 km) |
| Harborne to Olbia | 962.15 mi (1,548.42 km) |
| Harborne to Oleggio | 672.89 mi (1,082.91 km) |
| Harborne to Olgiate Comasco | 674.30 mi (1,085.19 km) |
| Harborne to Olgiate Olona | 679.22 mi (1,093.11 km) |
| Harborne to Omegna | 651.28 mi (1,048.14 km) |
| Harborne to Opera | 702.86 mi (1,131.15 km) |
| Harborne to Oppeano | 773.10 mi (1,244.18 km) |
| Harborne to Orbassano | 671.22 mi (1,080.22 km) |
