| Springfield to Opole | 4,077.46 mi (6,562.03 km) |
| Springfield to Orzesze | 4,126.55 mi (6,641.05 km) |
| Springfield to Osowa | 3,970.21 mi (6,389.44 km) |
| Springfield to Ostroda | 4,047.64 mi (6,514.05 km) |
| Springfield to Ostroleka | 4,126.65 mi (6,641.20 km) |
| Springfield to Ostrow Mazowiecka | 4,148.07 mi (6,675.68 km) |
| Springfield to Ostrow Wielkopolski | 4,039.32 mi (6,500.66 km) |
| Springfield to Ostrowiec Swietokrzyski | 4,197.67 mi (6,755.50 km) |
| Springfield to Ostrzeszow | 4,051.63 mi (6,520.47 km) |
| Springfield to Oswiecim | 4,148.45 mi (6,676.28 km) |
| Springfield to Otwock | 4,149.87 mi (6,678.58 km) |
| Springfield to Ozarow Mazowiecki | 4,129.37 mi (6,645.59 km) |
| Springfield to Ozimek | 4,087.83 mi (6,578.72 km) |
| Springfield to Ozorkow | 4,082.76 mi (6,570.56 km) |
| Springfield to Pabianice | 4,097.49 mi (6,594.28 km) |
