| New River to Olivares | 5,591.44 mi (8,998.55 km) |
| New River to Olivenza | 5,498.24 mi (8,848.57 km) |
| New River to Olot | 5,748.09 mi (9,250.65 km) |
| New River to Onate | 5,517.18 mi (8,879.04 km) |
| New River to Onda | 5,736.01 mi (9,231.22 km) |
| New River to Onteniente | 5,771.37 mi (9,288.12 km) |
| New River to Orihuela | 5,789.03 mi (9,316.54 km) |
| New River to Osuna | 5,645.41 mi (9,085.41 km) |
| New River to Ourense | 5,321.20 mi (8,563.65 km) |
| New River to Oviedo | 5,364.76 mi (8,633.74 km) |
| New River to Paiporta | 5,752.91 mi (9,258.41 km) |
| New River to Pajara | 5,569.29 mi (8,962.90 km) |
| New River to Palafolls | 5,781.37 mi (9,304.21 km) |
| New River to Palafrugell | 5,786.24 mi (9,312.05 km) |
| New River to Palamos | 5,788.15 mi (9,315.12 km) |
