| South Plainfield to Opole | 4,221.21 mi (6,793.38 km) |
| South Plainfield to Orzesze | 4,270.26 mi (6,872.32 km) |
| South Plainfield to Osowa | 4,114.42 mi (6,621.51 km) |
| South Plainfield to Ostroda | 4,191.83 mi (6,746.10 km) |
| South Plainfield to Ostroleka | 4,270.84 mi (6,873.26 km) |
| South Plainfield to Ostrow Mazowiecka | 4,292.26 mi (6,907.72 km) |
| South Plainfield to Ostrow Wielkopolski | 4,183.24 mi (6,732.28 km) |
| South Plainfield to Ostrowiec Swietokrzyski | 4,341.68 mi (6,987.26 km) |
| South Plainfield to Ostrzeszow | 4,195.52 mi (6,752.04 km) |
| South Plainfield to Oswiecim | 4,292.17 mi (6,907.58 km) |
| South Plainfield to Otwock | 4,294.00 mi (6,910.53 km) |
| South Plainfield to Ozarow Mazowiecki | 4,273.50 mi (6,877.53 km) |
| South Plainfield to Ozimek | 4,231.60 mi (6,810.10 km) |
| South Plainfield to Ozorkow | 4,226.79 mi (6,802.37 km) |
| South Plainfield to Pabianice | 4,241.49 mi (6,826.02 km) |
