| Gig Harbor to Opole | 5,270.49 mi (8,482.04 km) |
| Gig Harbor to Orzesze | 5,318.36 mi (8,559.07 km) |
| Gig Harbor to Osowa | 5,047.74 mi (8,123.55 km) |
| Gig Harbor to Ostroda | 5,119.43 mi (8,238.93 km) |
| Gig Harbor to Ostroleka | 5,186.81 mi (8,347.36 km) |
| Gig Harbor to Ostrow Mazowiecka | 5,209.30 mi (8,383.56 km) |
| Gig Harbor to Ostrow Wielkopolski | 5,207.43 mi (8,380.55 km) |
| Gig Harbor to Ostrowiec Swietokrzyski | 5,318.37 mi (8,559.08 km) |
| Gig Harbor to Ostrzeszow | 5,224.06 mi (8,407.32 km) |
| Gig Harbor to Oswiecim | 5,334.36 mi (8,584.82 km) |
| Gig Harbor to Otwock | 5,241.46 mi (8,435.31 km) |
| Gig Harbor to Ozarow Mazowiecki | 5,226.97 mi (8,411.99 km) |
| Gig Harbor to Ozimek | 5,275.51 mi (8,490.12 km) |
| Gig Harbor to Ozorkow | 5,215.26 mi (8,393.16 km) |
| Gig Harbor to Pabianice | 5,236.85 mi (8,427.89 km) |
