| Green Bay to Nuth | 4,082.01 mi (6,569.36 km) |
| Green Bay to Oegstgeest | 3,983.13 mi (6,410.23 km) |
| Green Bay to Oirschot | 4,038.65 mi (6,499.58 km) |
| Green Bay to Oisterwijk | 4,031.90 mi (6,488.72 km) |
| Green Bay to Oldebroek | 4,023.99 mi (6,475.98 km) |
| Green Bay to Oldenzaal | 4,065.40 mi (6,542.63 km) |
| Green Bay to Ommen | 4,039.62 mi (6,501.14 km) |
| Green Bay to Oosterend | 4,008.93 mi (6,451.74 km) |
| Green Bay to Oosterhout | 4,017.32 mi (6,465.25 km) |
| Green Bay to Oosterwolde | 4,017.27 mi (6,465.17 km) |
| Green Bay to Oostzaan | 3,988.67 mi (6,419.14 km) |
| Green Bay to Opmeer | 3,981.11 mi (6,406.98 km) |
| Green Bay to Oss | 4,036.29 mi (6,495.78 km) |
| Green Bay to Oud-Beijerland | 3,994.38 mi (6,428.34 km) |
| Green Bay to Oudenbosch | 4,007.35 mi (6,449.21 km) |
