| Grand Junction to Opole | 5,441.29 mi (8,756.90 km) |
| Grand Junction to Orzesze | 5,491.68 mi (8,838.01 km) |
| Grand Junction to Osowa | 5,255.41 mi (8,457.77 km) |
| Grand Junction to Ostroda | 5,332.66 mi (8,582.08 km) |
| Grand Junction to Ostroleka | 5,407.69 mi (8,702.84 km) |
| Grand Junction to Ostrow Mazowiecka | 5,430.76 mi (8,739.96 km) |
| Grand Junction to Ostrow Wielkopolski | 5,385.75 mi (8,667.52 km) |
| Grand Junction to Ostrowiec Swietokrzyski | 5,520.75 mi (8,884.79 km) |
| Grand Junction to Ostrzeszow | 5,401.33 mi (8,692.60 km) |
| Grand Junction to Oswiecim | 5,510.78 mi (8,868.75 km) |
| Grand Junction to Otwock | 5,452.23 mi (8,774.51 km) |
| Grand Junction to Ozarow Mazowiecki | 5,434.69 mi (8,746.29 km) |
| Grand Junction to Ozimek | 5,448.72 mi (8,768.87 km) |
| Grand Junction to Ozorkow | 5,408.40 mi (8,703.98 km) |
| Grand Junction to Pabianice | 5,428.15 mi (8,735.76 km) |
