| Del Rio to Noventa Vicentina | 5,763.22 mi (9,275.01 km) |
| Del Rio to Novi di Modena | 5,753.83 mi (9,259.90 km) |
| Del Rio to Novi Ligure | 5,673.94 mi (9,131.32 km) |
| Del Rio to Nuoro | 5,870.59 mi (9,447.79 km) |
| Del Rio to Occhiobello | 5,779.75 mi (9,301.60 km) |
| Del Rio to Oderzo | 5,780.49 mi (9,302.79 km) |
| Del Rio to Oggiono | 5,656.88 mi (9,103.87 km) |
| Del Rio to Olbia | 5,854.07 mi (9,421.22 km) |
| Del Rio to Oleggio | 5,635.33 mi (9,069.19 km) |
| Del Rio to Olgiate Comasco | 5,641.60 mi (9,079.28 km) |
| Del Rio to Olgiate Olona | 5,644.07 mi (9,083.25 km) |
| Del Rio to Omegna | 5,615.58 mi (9,037.40 km) |
| Del Rio to Opera | 5,667.13 mi (9,120.36 km) |
| Del Rio to Oppeano | 5,748.73 mi (9,251.69 km) |
| Del Rio to Orbassano | 5,613.55 mi (9,034.13 km) |
