| Holt to Opole | 4,487.96 mi (7,222.68 km) |
| Holt to Orzesze | 4,538.27 mi (7,303.64 km) |
| Holt to Osowa | 4,349.66 mi (7,000.10 km) |
| Holt to Ostroda | 4,428.34 mi (7,126.72 km) |
| Holt to Ostroleka | 4,507.21 mi (7,253.65 km) |
| Holt to Ostrow Mazowiecka | 4,529.59 mi (7,289.68 km) |
| Holt to Ostrow Wielkopolski | 4,442.76 mi (7,149.93 km) |
| Holt to Ostrowiec Swietokrzyski | 4,594.90 mi (7,394.78 km) |
| Holt to Ostrzeszow | 4,456.48 mi (7,172.01 km) |
| Holt to Oswiecim | 4,559.45 mi (7,337.72 km) |
| Holt to Otwock | 4,538.69 mi (7,304.32 km) |
| Holt to Ozarow Mazowiecki | 4,518.96 mi (7,272.56 km) |
| Holt to Ozimek | 4,497.40 mi (7,237.86 km) |
| Holt to Ozorkow | 4,479.14 mi (7,208.47 km) |
| Holt to Pabianice | 4,495.97 mi (7,235.56 km) |
