| Suffolk to Nuth | 4,008.79 mi (6,451.52 km) |
| Suffolk to Oegstgeest | 3,922.14 mi (6,312.07 km) |
| Suffolk to Oirschot | 3,971.26 mi (6,391.12 km) |
| Suffolk to Oisterwijk | 3,965.28 mi (6,381.50 km) |
| Suffolk to Oldebroek | 3,973.30 mi (6,394.41 km) |
| Suffolk to Oldenzaal | 4,017.41 mi (6,465.40 km) |
| Suffolk to Ommen | 3,992.23 mi (6,424.87 km) |
| Suffolk to Oosterend | 3,967.17 mi (6,384.54 km) |
| Suffolk to Oosterhout | 3,950.02 mi (6,356.94 km) |
| Suffolk to Oosterwolde | 3,976.30 mi (6,399.24 km) |
| Suffolk to Oostzaan | 3,933.24 mi (6,329.93 km) |
| Suffolk to Opmeer | 3,929.96 mi (6,324.65 km) |
| Suffolk to Oss | 3,973.80 mi (6,395.22 km) |
| Suffolk to Oud-Beijerland | 3,927.62 mi (6,320.89 km) |
| Suffolk to Oudenbosch | 3,937.76 mi (6,337.21 km) |
