| Aberbargoed to Noventa Vicentina | 805.79 mi (1,296.79 km) |
| Aberbargoed to Novi di Modena | 799.36 mi (1,286.45 km) |
| Aberbargoed to Novi Ligure | 730.02 mi (1,174.85 km) |
| Aberbargoed to Nuoro | 987.73 mi (1,589.60 km) |
| Aberbargoed to Occhiobello | 823.42 mi (1,325.17 km) |
| Aberbargoed to Oderzo | 822.14 mi (1,323.11 km) |
| Aberbargoed to Oggiono | 702.16 mi (1,130.02 km) |
| Aberbargoed to Olbia | 958.19 mi (1,542.06 km) |
| Aberbargoed to Oleggio | 684.46 mi (1,101.53 km) |
| Aberbargoed to Olgiate Comasco | 688.11 mi (1,107.40 km) |
| Aberbargoed to Olgiate Olona | 691.91 mi (1,113.52 km) |
| Aberbargoed to Omegna | 663.50 mi (1,067.81 km) |
| Aberbargoed to Opera | 715.46 mi (1,151.42 km) |
| Aberbargoed to Oppeano | 791.82 mi (1,274.31 km) |
| Aberbargoed to Orbassano | 675.30 mi (1,086.79 km) |
