| Happy Valley to Opole | 5,388.23 mi (8,671.52 km) |
| Happy Valley to Orzesze | 5,436.34 mi (8,748.94 km) |
| Happy Valley to Osowa | 5,167.48 mi (8,316.26 km) |
| Happy Valley to Ostroda | 5,239.62 mi (8,432.36 km) |
| Happy Valley to Ostroleka | 5,307.56 mi (8,541.70 km) |
| Happy Valley to Ostrow Mazowiecka | 5,330.12 mi (8,578.00 km) |
| Happy Valley to Ostrow Wielkopolski | 5,325.56 mi (8,570.66 km) |
| Happy Valley to Ostrowiec Swietokrzyski | 5,438.19 mi (8,751.93 km) |
| Happy Valley to Ostrzeszow | 5,342.15 mi (8,597.36 km) |
| Happy Valley to Oswiecim | 5,452.57 mi (8,775.06 km) |
| Happy Valley to Otwock | 5,361.68 mi (8,628.79 km) |
| Happy Valley to Ozarow Mazowiecki | 5,346.99 mi (8,605.14 km) |
| Happy Valley to Ozimek | 5,393.42 mi (8,679.87 km) |
| Happy Valley to Ozorkow | 5,334.36 mi (8,584.82 km) |
| Happy Valley to Pabianice | 5,355.86 mi (8,619.42 km) |
