| Mariano Comense to Orangevale (California) | 5,845.69 mi (9,407.72 km) |
| Mariano Comense to Orchards (Washington) | 5,471.79 mi (8,806.00 km) |
| Mariano Comense to Orcutt (California) | 6,044.70 mi (9,728.00 km) |
| Mariano Comense to Oregon (Ohio) | 4,362.41 mi (7,020.62 km) |
| Mariano Comense to Oregon (Wisconsin) | 4,540.85 mi (7,307.79 km) |
| Mariano Comense to Oregon City (Oregon) | 5,493.72 mi (8,841.29 km) |
| Mariano Comense to Orem (Utah) | 5,463.76 mi (8,793.07 km) |
| Mariano Comense to Orinda (California) | 5,920.53 mi (9,528.17 km) |
| Mariano Comense to Orland Park (Illinois) | 4,540.85 mi (7,307.80 km) |
| Mariano Comense to Orlando (Florida) | 4,863.23 mi (7,826.61 km) |
| Mariano Comense to Ormond Beach (Florida) | 4,814.67 mi (7,748.46 km) |
| Mariano Comense to Oro Valley (Arizona) | 5,871.55 mi (9,449.34 km) |
| Mariano Comense to Oroville (California) | 5,808.02 mi (9,347.11 km) |
| Mariano Comense to Oshkosh (Wisconsin) | 4,460.14 mi (7,177.90 km) |
| Mariano Comense to Oskaloosa (Iowa) | 4,740.29 mi (7,628.76 km) |
