| Opelika to Cassina de' Pecchi | 4,860.82 mi (7,822.74 km) |
| Opelika to Cassino | 5,190.78 mi (8,353.75 km) |
| Opelika to Castagneto Carducci | 4,990.33 mi (8,031.17 km) |
| Opelika to Castano Primo | 4,833.87 mi (7,779.37 km) |
| Opelika to Castel Bolognese | 5,004.84 mi (8,054.50 km) |
| Opelika to Castel Gandolfo | 5,129.50 mi (8,255.13 km) |
| Opelika to Castel Goffredo | 4,915.51 mi (7,910.75 km) |
| Opelika to Castel Maggiore | 4,977.80 mi (8,010.99 km) |
| Opelika to Castel Mella | 4,895.07 mi (7,877.85 km) |
| Opelika to Castel San Giorgio | 5,254.95 mi (8,457.02 km) |
| Opelika to Castel San Giovanni | 4,878.40 mi (7,851.03 km) |
| Opelika to Castel San Pietro Terme | 4,992.68 mi (8,034.94 km) |
| Opelika to Castel Volturno | 5,210.41 mi (8,385.34 km) |
| Opelika to Castelbuono | 5,330.43 mi (8,578.49 km) |
| Opelika to Casteldaccia | 5,299.89 mi (8,529.35 km) |
