| Opwijk to Caguas (Puerto Rico) | 4,390.83 mi (7,066.36 km) |
| Opwijk to Cahokia (Illinois) | 4,384.81 mi (7,056.67 km) |
| Opwijk to Calabasas (California) | 5,609.74 mi (9,028.00 km) |
| Opwijk to Caldwell (Idaho) | 5,001.87 mi (8,049.73 km) |
| Opwijk to Caledonia (Wisconsin) | 4,094.41 mi (6,589.31 km) |
| Opwijk to Calera (Alabama) | 4,520.16 mi (7,274.50 km) |
| Opwijk to Calexico (California) | 5,594.14 mi (9,002.90 km) |
| Opwijk to Calhoun (Georgia) | 4,380.21 mi (7,049.27 km) |
| Opwijk to California (Maryland) | 3,858.40 mi (6,209.50 km) |
| Opwijk to California City (California) | 5,525.95 mi (8,893.15 km) |
| Opwijk to Callaway (Florida) | 4,621.88 mi (7,438.20 km) |
| Opwijk to Calumet City (Illinois) | 4,138.21 mi (6,659.81 km) |
| Opwijk to Calverton (Maryland) | 3,842.20 mi (6,183.43 km) |
| Opwijk to Camano (Washington) | 4,894.22 mi (7,876.48 km) |
| Opwijk to Camarillo (California) | 5,615.83 mi (9,037.81 km) |
