| Florham Park to Opole | 4,210.80 mi (6,776.63 km) |
| Florham Park to Orzesze | 4,259.89 mi (6,855.63 km) |
| Florham Park to Osowa | 4,103.38 mi (6,603.76 km) |
| Florham Park to Ostroda | 4,180.84 mi (6,728.41 km) |
| Florham Park to Ostroleka | 4,259.86 mi (6,855.58 km) |
| Florham Park to Ostrow Mazowiecka | 4,281.29 mi (6,890.08 km) |
| Florham Park to Ostrow Wielkopolski | 4,172.68 mi (6,715.28 km) |
| Florham Park to Ostrowiec Swietokrzyski | 4,331.03 mi (6,970.11 km) |
| Florham Park to Ostrzeszow | 4,184.99 mi (6,735.09 km) |
| Florham Park to Oswiecim | 4,281.78 mi (6,890.87 km) |
| Florham Park to Otwock | 4,283.17 mi (6,893.10 km) |
| Florham Park to Ozarow Mazowiecki | 4,262.68 mi (6,860.12 km) |
| Florham Park to Ozimek | 4,221.18 mi (6,793.32 km) |
| Florham Park to Ozorkow | 4,216.10 mi (6,785.16 km) |
| Florham Park to Pabianice | 4,230.85 mi (6,808.89 km) |
