| Barnstaple to Noventa Vicentina | 820.13 mi (1,319.87 km) |
| Barnstaple to Novi di Modena | 810.99 mi (1,305.16 km) |
| Barnstaple to Novi Ligure | 736.23 mi (1,184.84 km) |
| Barnstaple to Nuoro | 982.19 mi (1,580.68 km) |
| Barnstaple to Occhiobello | 836.54 mi (1,346.28 km) |
| Barnstaple to Oderzo | 840.07 mi (1,351.96 km) |
| Barnstaple to Oggiono | 713.87 mi (1,148.87 km) |
| Barnstaple to Olbia | 954.46 mi (1,536.06 km) |
| Barnstaple to Oleggio | 693.68 mi (1,116.37 km) |
| Barnstaple to Olgiate Comasco | 698.92 mi (1,124.81 km) |
| Barnstaple to Olgiate Olona | 701.89 mi (1,129.58 km) |
| Barnstaple to Omegna | 673.37 mi (1,083.68 km) |
| Barnstaple to Opera | 725.20 mi (1,167.10 km) |
| Barnstaple to Oppeano | 805.53 mi (1,296.38 km) |
| Barnstaple to Orbassano | 679.13 mi (1,092.95 km) |
