| Groesbeek to Oswego (Illinois) | 4,199.87 mi (6,759.03 km) |
| Groesbeek to Oswego (New York) | 3,673.52 mi (5,911.96 km) |
| Groesbeek to Otsego (Minnesota) | 4,209.90 mi (6,775.18 km) |
| Groesbeek to Ottawa (Illinois) | 4,233.76 mi (6,813.58 km) |
| Groesbeek to Ottawa (Kansas) | 4,605.35 mi (7,411.60 km) |
| Groesbeek to Ottumwa (Iowa) | 4,380.09 mi (7,049.08 km) |
| Groesbeek to Overland (Missouri) | 4,422.72 mi (7,117.68 km) |
| Groesbeek to Overland Park (Kansas) | 4,569.89 mi (7,354.53 km) |
| Groesbeek to Overlea (Maryland) | 3,859.87 mi (6,211.87 km) |
| Groesbeek to Oviedo (Florida) | 4,571.72 mi (7,357.48 km) |
| Groesbeek to Owasso (Oklahoma) | 4,746.39 mi (7,638.58 km) |
| Groesbeek to Owatonna (Minnesota) | 4,254.87 mi (6,847.55 km) |
| Groesbeek to Owensboro (Kentucky) | 4,348.13 mi (6,997.64 km) |
| Groesbeek to Owings Mills (Maryland) | 3,868.51 mi (6,225.76 km) |
| Groesbeek to Owosso (Michigan) | 3,984.02 mi (6,411.65 km) |
