| Storrs to Nuth | 3,600.75 mi (5,794.85 km) |
| Storrs to Oegstgeest | 3,511.99 mi (5,652.01 km) |
| Storrs to Oirschot | 3,562.21 mi (5,732.83 km) |
| Storrs to Oisterwijk | 3,556.10 mi (5,722.99 km) |
| Storrs to Oldebroek | 3,561.91 mi (5,732.34 km) |
| Storrs to Oldenzaal | 3,605.80 mi (5,802.98 km) |
| Storrs to Ommen | 3,580.46 mi (5,762.19 km) |
| Storrs to Oosterend | 3,554.58 mi (5,720.55 km) |
| Storrs to Oosterhout | 3,540.88 mi (5,698.50 km) |
| Storrs to Oosterwolde | 3,563.64 mi (5,735.13 km) |
| Storrs to Oostzaan | 3,522.36 mi (5,668.69 km) |
| Storrs to Opmeer | 3,518.48 mi (5,662.45 km) |
| Storrs to Oss | 3,564.06 mi (5,735.79 km) |
| Storrs to Oud-Beijerland | 3,518.33 mi (5,662.20 km) |
| Storrs to Oudenbosch | 3,528.92 mi (5,679.24 km) |
