| Oviedo to Noventa Vicentina | 867.50 mi (1,396.11 km) |
| Oviedo to Novi di Modena | 835.73 mi (1,344.98 km) |
| Oviedo to Novi Ligure | 731.82 mi (1,177.75 km) |
| Oviedo to Nuoro | 807.84 mi (1,300.09 km) |
| Oviedo to Occhiobello | 869.05 mi (1,398.60 km) |
| Oviedo to Oderzo | 915.84 mi (1,473.91 km) |
| Oviedo to Oggiono | 765.14 mi (1,231.38 km) |
| Oviedo to Olbia | 802.88 mi (1,292.10 km) |
| Oviedo to Oleggio | 729.25 mi (1,173.61 km) |
| Oviedo to Olgiate Comasco | 746.83 mi (1,201.91 km) |
| Oviedo to Olgiate Olona | 741.52 mi (1,193.36 km) |
| Oviedo to Omegna | 721.10 mi (1,160.50 km) |
| Oviedo to Opera | 755.73 mi (1,216.23 km) |
| Oviedo to Oppeano | 850.57 mi (1,368.85 km) |
| Oviedo to Orbassano | 671.93 mi (1,081.36 km) |
