| Cave Spring to Opole | 4,597.11 mi (7,398.33 km) |
| Cave Spring to Orzesze | 4,646.33 mi (7,477.55 km) |
| Cave Spring to Osowa | 4,486.06 mi (7,219.62 km) |
| Cave Spring to Ostroda | 4,563.77 mi (7,344.68 km) |
| Cave Spring to Ostroleka | 4,642.86 mi (7,471.96 km) |
| Cave Spring to Ostrow Mazowiecka | 4,664.44 mi (7,506.70 km) |
| Cave Spring to Ostrow Wielkopolski | 4,558.29 mi (7,335.86 km) |
| Cave Spring to Ostrowiec Swietokrzyski | 4,716.11 mi (7,589.85 km) |
| Cave Spring to Ostrzeszow | 4,570.75 mi (7,355.91 km) |
| Cave Spring to Oswiecim | 4,668.18 mi (7,512.71 km) |
| Cave Spring to Otwock | 4,667.25 mi (7,511.22 km) |
| Cave Spring to Ozarow Mazowiecki | 4,646.83 mi (7,478.35 km) |
| Cave Spring to Ozimek | 4,607.40 mi (7,414.90 km) |
| Cave Spring to Ozorkow | 4,601.00 mi (7,404.59 km) |
| Cave Spring to Pabianice | 4,615.98 mi (7,428.71 km) |
