| Del Rio to Opole | 5,769.53 mi (9,285.17 km) |
| Del Rio to Orzesze | 5,820.04 mi (9,366.45 km) |
| Del Rio to Osowa | 5,620.58 mi (9,045.45 km) |
| Del Rio to Ostroda | 5,699.34 mi (9,172.20 km) |
| Del Rio to Ostroleka | 5,777.69 mi (9,298.29 km) |
| Del Rio to Ostrow Mazowiecka | 5,800.36 mi (9,334.78 km) |
| Del Rio to Ostrow Wielkopolski | 5,722.27 mi (9,209.11 km) |
| Del Rio to Ostrowiec Swietokrzyski | 5,871.62 mi (9,449.47 km) |
| Del Rio to Ostrzeszow | 5,736.40 mi (9,231.85 km) |
| Del Rio to Oswiecim | 5,840.94 mi (9,400.08 km) |
| Del Rio to Otwock | 5,812.44 mi (9,354.23 km) |
| Del Rio to Ozarow Mazowiecki | 5,793.11 mi (9,323.12 km) |
| Del Rio to Ozimek | 5,778.65 mi (9,299.84 km) |
| Del Rio to Ozorkow | 5,756.06 mi (9,263.48 km) |
| Del Rio to Pabianice | 5,773.57 mi (9,291.66 km) |
