| Del Rio to Nyon | 5,509.25 mi (8,866.28 km) |
| Del Rio to Oberriet | 5,605.70 mi (9,021.51 km) |
| Del Rio to Obersiggenthal | 5,549.64 mi (8,931.28 km) |
| Del Rio to Oberwil | 5,519.80 mi (8,883.27 km) |
| Del Rio to Oberwingert | 5,567.04 mi (8,959.29 km) |
| Del Rio to Oftringen | 5,541.41 mi (8,918.04 km) |
| Del Rio to Olten | 5,539.50 mi (8,914.96 km) |
| Del Rio to Onex | 5,511.21 mi (8,869.44 km) |
| Del Rio to Opfikon | 5,562.38 mi (8,951.79 km) |
| Del Rio to Ostermundigen | 5,538.20 mi (8,912.87 km) |
| Del Rio to Payerne | 5,521.28 mi (8,885.64 km) |
| Del Rio to Pfaffikon | 5,573.36 mi (8,969.46 km) |
| Del Rio to Plan-les-Ouates | 5,512.50 mi (8,871.51 km) |
| Del Rio to Pratteln | 5,525.38 mi (8,892.24 km) |
| Del Rio to Prilly | 5,518.47 mi (8,881.11 km) |
