| Cadillac to Olivares | 4,007.34 mi (6,449.19 km) |
| Cadillac to Olivenza | 3,915.87 mi (6,301.99 km) |
| Cadillac to Olot | 4,200.44 mi (6,759.96 km) |
| Cadillac to Onate | 3,960.20 mi (6,373.33 km) |
| Cadillac to Onda | 4,170.37 mi (6,711.57 km) |
| Cadillac to Onteniente | 4,200.54 mi (6,760.11 km) |
| Cadillac to Orihuela | 4,214.94 mi (6,783.29 km) |
| Cadillac to Osuna | 4,062.20 mi (6,537.48 km) |
| Cadillac to Ourense | 3,749.19 mi (6,033.74 km) |
| Cadillac to Oviedo | 3,801.21 mi (6,117.46 km) |
| Cadillac to Paiporta | 4,184.77 mi (6,734.74 km) |
| Cadillac to Pajara | 3,991.66 mi (6,423.96 km) |
| Cadillac to Palafolls | 4,231.82 mi (6,810.46 km) |
| Cadillac to Palafrugell | 4,239.26 mi (6,822.43 km) |
| Cadillac to Palamos | 4,240.69 mi (6,824.72 km) |
