| Caldas de Reyes to Opole | 1,368.59 mi (2,202.53 km) |
| Caldas de Reyes to Orzesze | 1,395.96 mi (2,246.58 km) |
| Caldas de Reyes to Osowa | 1,471.17 mi (2,367.62 km) |
| Caldas de Reyes to Ostroda | 1,510.20 mi (2,430.42 km) |
| Caldas de Reyes to Ostroleka | 1,560.37 mi (2,511.18 km) |
| Caldas de Reyes to Ostrow Mazowiecka | 1,569.07 mi (2,525.17 km) |
| Caldas de Reyes to Ostrow Wielkopolski | 1,381.35 mi (2,223.06 km) |
| Caldas de Reyes to Ostrowiec Swietokrzyski | 1,520.47 mi (2,446.95 km) |
| Caldas de Reyes to Ostrzeszow | 1,381.72 mi (2,223.67 km) |
| Caldas de Reyes to Oswiecim | 1,415.01 mi (2,277.23 km) |
| Caldas de Reyes to Otwock | 1,531.83 mi (2,465.24 km) |
| Caldas de Reyes to Ozarow Mazowiecki | 1,514.28 mi (2,437.00 km) |
| Caldas de Reyes to Ozimek | 1,380.60 mi (2,221.87 km) |
| Caldas de Reyes to Ozorkow | 1,447.62 mi (2,329.72 km) |
| Caldas de Reyes to Pabianice | 1,446.09 mi (2,327.26 km) |
