| Groningen to Camas (Washington) | 4,976.48 mi (8,008.87 km) |
| Groningen to Cambridge (Maryland) | 3,869.75 mi (6,227.76 km) |
| Groningen to Cambridge (Massachusetts) | 3,499.10 mi (5,631.25 km) |
| Groningen to Camden (Arkansas) | 4,755.30 mi (7,652.92 km) |
| Groningen to Camden (New Jersey) | 3,766.03 mi (6,060.83 km) |
| Groningen to Cameron Park (California) | 5,358.38 mi (8,623.48 km) |
| Groningen to Camp Pendleton South (California) | 5,585.68 mi (8,989.29 km) |
| Groningen to Camp Springs (Maryland) | 3,889.98 mi (6,260.31 km) |
| Groningen to Camp Verde (Arizona) | 5,341.32 mi (8,596.03 km) |
| Groningen to Campbell (California) | 5,468.12 mi (8,800.09 km) |
| Groningen to Campbellsville (Kentucky) | 4,281.85 mi (6,890.97 km) |
| Groningen to Campton Hills (Illinois) | 4,160.65 mi (6,695.91 km) |
| Groningen to Canby (Oregon) | 5,002.76 mi (8,051.17 km) |
| Groningen to Candelaria (Puerto Rico) | 4,498.04 mi (7,238.89 km) |
| Groningen to Candler-McAfee (Georgia) | 4,426.26 mi (7,123.38 km) |
